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Feb 8th-9th Do We Finally Get A Coastal?


dryslot

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I know you like to look at MEX numbers...they are pretty insane. Double 8's up here Fri/Sat.

:o 

 

You don't want this 100 miles west. The Dryslot as is approaches the Cape.

BTW, euro ensembles beefed up precip probs for greater than half inch in six hours in the eastern half of SNE. I know Brian have the numbers of actual QPF. Probably makes more sense for now.

Yes I do ;)

a good summary from BOX. Definitely deformation potential so don't take QPF verbatim in far western and northern areas.

Yeah, for the EURO up here I'd say this: It had 1.5 qpf so that could be 20" even up here with banding/ratios. Although the gfs only had like .8 and I know Plymouth State isn't in the best location. For now, I'd say 6+ likely.

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With the luck C NH has had this winter the CCB will rip right up to near ASH and the mid level deformation band will rot across N NH/VT while I enjoy Tip's usual mesosubsidence sandwich.

One thing I realized is that center harbor (not where you are though) can be a pit if the winds are off the Ossipees.

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Can someone explain to me why models are not run more often now?  I mean, why isn't a model run every 3 hours?  Or every 30 seconds?  Are we stuck in tradition, or is there a reason (balloons, planes, satellite orbits) that we only have these runs when they are?  I suspect it is because there are things like balloons and planes, and if so, is this correct? 

We have the RAP for that in the near term. I don't think it's time, power, cost, etc effective to produce more than 4 runs per day beyond 24hrs. Balloons are only launched twice per day too, although upper level satellite data is pretty good nowadays.

The 12z Euro doesn't even start coming out until about 18z anyways.

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We have the RAP for that in the near term. I don't think it's time, power, cost, etc effective to produce more than 4 runs per day beyond 24hrs. Balloons are only launched twice per day too, although upper level satellite data is pretty good nowadays.

The 12z Euro doesn't even start coming out until about 18z anyways.

And parts for the Atari 800XL are hard to find anymore for the NAM
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Warning criteria snowfall could definitely be reached over all of the region.  Dynamics will certainly bring cooling to the coastline once coastal low gets going.  Timing is difference in models, could have significant impacts on Friday's commutes.  Also hurricane force wind gusts for SNE coastline especially Cape Cod and Nantucket are possible.  12"+ amounts could be widespread from HFD to BOS and Portland, ME.

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Can someone explain to me why models are not run more often now?  I mean, why isn't a model run every 3 hours?  Or every 30 seconds?  Are we stuck in tradition, or is there a reason (balloons, planes, satellite orbits) that we only have these runs when they are?  I suspect it is because there are things like balloons and planes, and if so, is this correct? 

 

 

It really is computing resources, which is invariably tied to money. If they had more money, they could buy another computer which would allow them to do more modeling.

 

This gets pretty in depth, but gives you an idea of how the process works right now (disclaimer: there is a lot of opinion on why the NWS and U.S. as a whole is falling behind the rest of the world).

 

http://cliffmass.blogspot.com/2013/01/fixing-national-weather-services.html

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EC ens mean QPF...

0.25" FVE

0.50" PQI-YSC

0.75" HUL-1V4-MPV-GFL

1.00" WSS-BGR-LEW-IZG-LCI-VSF-DXR

1.50" stays about 25-50mi offshore from ME to the Cape. Northern edge didn't budge from 00z, but the heavier totals shifted NW.

 

 

Brian throw us some Ens numbers for SNE please

 

Thanks Brian

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Somebody's chuckin a few...

"BUT A 50 OR SO MILE SHIFT IN THE TRACK NORTHWEST WILL

MAKE A BIG DIFFERENCE. IF THIS WERE TO OCCUR...MIXING ISSUES COULD

AFFECT A LARGER PART OF THE COASTAL PLAIN SO SOMETHING WILL HAVE TO

WATCH CLOSELY GIVEN THAT WERE STILL 72+ HOURS OUT."

 

And NO WHERE do they talk about the MORE likely shift to the SOUTHEAST, where the Cape and Islands do better.   Good Heavens!!!

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"BUT A 50 OR SO MILE SHIFT IN THE TRACK NORTHWEST WILL

MAKE A BIG DIFFERENCE. IF THIS WERE TO OCCUR...MIXING ISSUES COULD

AFFECT A LARGER PART OF THE COASTAL PLAIN SO SOMETHING WILL HAVE TO

WATCH CLOSELY GIVEN THAT WERE STILL 72+ HOURS OUT."

 

And NO WHERE do they talk about the MORE likely shift to the SOUTHEAST, where the Cape and Islands do better.   Good Heavens!!!

we don't want this to shift SE. the 12z runs were perfect. we'd rain for a bit but it would be an awesome storm. 

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"BUT A 50 OR SO MILE SHIFT IN THE TRACK NORTHWEST WILL

MAKE A BIG DIFFERENCE. IF THIS WERE TO OCCUR...MIXING ISSUES COULD

AFFECT A LARGER PART OF THE COASTAL PLAIN SO SOMETHING WILL HAVE TO

WATCH CLOSELY GIVEN THAT WERE STILL 72+ HOURS OUT."

 

And NO WHERE do they talk about the MORE likely shift to the SOUTHEAST, where the Cape and Islands do better.   Good Heavens!!!

 

Unless you read all of it:

 

HOWEVER...ITS POSSIBLE THAT THE MODEL TRACK COULDSHIFT  EAST WHICH WOULD LIMIT THE COVERAGE OF HEAVY SNOW THAT FARWEST.
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